A lower monthly payment can be useful, but it does not tell the whole refinancing story. Before replacing an existing mortgage, compare fees, the new repayment timeline and the balance you will still owe. Start with a clear goal, then ask a lender to show the complete tradeoff.

Define the outcome you want

Are you trying to reduce monthly spending, pay off the loan sooner, change the loan structure or access equity? Write down one primary goal. Otherwise, an attractive payment can distract from a longer term or a larger balance.

Compare the old and new loans side by side

A refinance replaces an existing loan with a new one and usually involves costs. Ask for the current payoff amount, remaining term, proposed new balance, fees, new payment and repayment schedule. If costs are added to the new loan, they still need to be repaid.

A lower payment may reflect a lower rate, a longer repayment period or both. Have the lender separate those effects. Compare the remaining balance and total payments at the same future date, rather than comparing only the next month's bill.

Check how long the savings take to recover the cost

Hypothetical example: If a refinance has $6,000 in incremental costs and produces $150 in monthly savings, a simple payback calculation is 40 months. This is incomplete if the loan balance or term changes; it also ignores tax effects and the value of cash over time. Request a fuller comparison before deciding.

Include the possibility that plans change

Consider what happens if you sell earlier than expected or keep the home longer. If taking cash out, distinguish borrowed funds from savings: the money increases what you owe and is secured by the home.

For a new purchase, do not rely on a future refinance to make today's payment workable. Future rates, property values and approval terms are uncertain. Make the purchase decision with a payment you can manage under the loan you actually obtain.

Official resources


Planning a Denver move? Explore our homebuyer guide or contact Jonathan Loewenberg at Search Denver Homes | Compass: 303-800-5623. We can help you compare properties and coordinate your real estate timeline with your lender.

Reviewed November 14, 2026. General educational information; your lender must confirm loan availability, eligibility, pricing and documentation for your situation. Examples are illustrative, not loan offers.